n. the upward slope of a hill
r. against difficulties
r. upward on a hill or incline
a. 上坡的, 向上的
adv. 往上坡, 向上地
1. The hike was challenging because it was all uphill.
这次徒步旅行很有挑战性，因为全是上坡路。
2. He pushed his bike uphill until he reached the top.
他把自行车推上坡，直到到达顶端。
3. Running uphill helps build strength and endurance.
上坡跑步有助于增强力量和耐力。